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Copy number variation of a gene cluster encoding endopolygalacturonase mediates flesh texture and stone adhesion in peach

文献类型：期刊论文

作者Gu, Chao1; Wang, Lu1; Wang, Wei1; Zhou, Hui1,2; Ma, Baiquan1,2; Zheng, Hongyu1,2; Fang, Ting1,2; Ogutu, Collins1,2; Vimolmangkang, Sornkanok1,3; Han, Yuepeng1,4
刊名JOURNAL OF EXPERIMENTAL BOTANY
出版日期2016-03-01
卷号67期号:6页码:1993-2005
关键词Copy number variation flesh texture melting flesh peach polygalacturonase stone adhesion
ISSN号0022-0957
DOI10.1093/jxb/erw021
英文摘要Texture is an important attribute affecting consumer perception of fruit quality. Peach melting flesh and flesh adhesion to stone (endocarp) are simply inherited and controlled by the F-M locus on linkage group (LG) 4. Here, we report that two genes encoding endopolygalacturonase (endoPG) in the F-M locus, designated PpendoPGF and PpendoPGM, are associated with the melting flesh and stone adhesion traits. PpendoPGM controls melting flesh while PpendoPGF has pleiotropic effects on both melting flesh and stone adhesion. The F-M locus has three allelic copy number variants of endoPG, H-1 (PpendoPGF and PpendoPGM), H-2 (PpendoPGM), and H-3 (null). The H-2 haplotype represents the ancestral one while the H-1 and H-3 haplotypes are two variants due to duplication and deletion of PpendoPGM, respectively. Accessions with H1H1, H1H2, or H1H3 genotypes show the freestone or semi-freestone and melting flesh phenotype, while both H2H2 and H2H3 accessions have the clingstone and melting flesh phenotype. The H3H3 accessions have the clingstone and non-melting flesh phenotype. Our study not only demonstrates a driving role of gene copy number variations in flesh texture diversification in fruit trees, but also provides a useful diagnostic tool for early seedling selection in peach breeding programmes.
资助项目National Natural Science Foundation of China[31201604] ; Overseas Construction Plan for Science and Education Base, China-Africa Center for Research and Education, Chinese Academy of Sciences[SAJC201327] ; National 863 programme of China[2011AA100206]
WOS研究方向Plant Sciences
语种英语
WOS记录号WOS:000372981800033
出版者OXFORD UNIV PRESS
源URL[http://202.127.146.157/handle/2RYDP1HH/103]  
专题中国科学院武汉植物园
通讯作者Han, Yuepeng
作者单位1.Chinese Acad Sci, Wuhan Bot Garden, Sinoafrican Joint Res Ctr, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Peoples R China
2.Grad Univ Chinese Acad Sci, 19A Yuquanlu, Beijing 100049, Peoples R China
3.Chulalongkorn Univ, Fac Pharmaceut Sci, Dept Pharmacognosy & Pharmaceut Bot, Bangkok 10330, Thailand
4.Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Shandong, Peoples R China
推荐引用方式
GB/T 7714		 Gu, Chao,Wang, Lu,Wang, Wei,et al. Copy number variation of a gene cluster encoding endopolygalacturonase mediates flesh texture and stone adhesion in peach[J]. JOURNAL OF EXPERIMENTAL BOTANY,2016,67(6):1993-2005.
APA Gu, Chao.,Wang, Lu.,Wang, Wei.,Zhou, Hui.,Ma, Baiquan.,...&Han, Yuepeng.(2016).Copy number variation of a gene cluster encoding endopolygalacturonase mediates flesh texture and stone adhesion in peach.JOURNAL OF EXPERIMENTAL BOTANY,67(6),1993-2005.
MLA Gu, Chao,et al."Copy number variation of a gene cluster encoding endopolygalacturonase mediates flesh texture and stone adhesion in peach".JOURNAL OF EXPERIMENTAL BOTANY 67.6(2016):1993-2005.

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来源：武汉植物园

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